Fans streamed into the Go Texans store at Reliant Stadium, where all caps and all but a handful of T-shirts were sold by 11:30 a.m. Monday.

Jennifer Roberson caught a break on her lunch break, walking out of Reliant with one of the prized T-shirts.

“They only had smalls,” she said. “Luckily, I’m small.”

Sales were strong at the Go Texans store and T-shirt stocks were running low. The store expects another shipment of T-shirts and caps Tuesday as well as a selection of youth, ladies, long-sleeve shirts and other merchandise Wednesday.

Roberson watched the game at the new Houston Texans Grill at City Center and called the win “the topping on the cake.” She was so excited that she was thinking of heading back to watch the Monday Night Football game — just to be around other football fans.

She is thinking of wearing her new T-shirt.

Juan Peralez strode into the Academy Sports+ Outdoors on the Southwest Freeway wearing one of the new caps he’d picked up at the Go Texans store just a few minutes earlier.

“It feels good,” the longtime season-tickets holder said.

He was at Academy, he said, just to take care of some other holiday shopping. But when the store clerks rolled out a lone rack of freshly minted T-shirts, he joined the scrum and walked away with a pair.

“Gotta get one,” the warehouseman said.

The store, which had sold out Sunday afternoon soon after the Texans’ 20-19 thriller, coupled with the Titans’ loss, which clinched the playoff berth, had drawn another crowd by 10:30 a.m. The staff told expectant customers it was expecting more shirts and caps to arrive Tuesday via UPS.

Eddie Rios, a salesman taking an early lunch break, walked out with four shirts and gift boxes, though he admitted it would be up to his wife to decide whether they would wait to share the goodies with their sons.

Stores that sell Houston Texans apparel also have a stake in the star quarterback and his team’s success. Aramark, which manages the Go Texans shop at Reliant Stadium, reports sales have been running more than 10 percent ahead of last year and likely will set a record if Houston reaches the playoffs for the first time.

Aramark expects strong holiday sales of team gear and other souvenir items, including Christmas stockings and ornaments, Chris Inouye, retail division manager at Reliant Stadium, said in an email. Should the team finish first in the AFC South, Aramark will roll out division-championship T-shirts and hats immediately, he noted.

At Academy Sports + Outdoors, the Texans’ official sporting-goods retailer, sales have been running “significantly” ahead of last year as the team has gotten off to its best start in franchise history, spokesman Eric Herrera said.

The Academy chain has also started selling Texans gear in its San Antonio stores this season.

But in retail, too, injuries can affect how the game is played.

“We do not expect any negative impact from the loss of Matt Schaub,” Inouye wrote. “Sure, Schaub jersey sales will fall, but we expect Andre Johnson sales to increase when he comes back.”

New quarterback

Johnson, an All-Pro wide receiver, has missed six games with a hamstring injury. He is expected to return Nov. 27, the same day that Matt Leinert takes over at quarterback for Schaub, who suffered a potentially season-ending Lisfranc-joint injury during Sunday’s game against Tampa Bay.

At Academy, Johnson’s No. 80 remains the top-selling Texans jersey, followed by those of running back Arian Foster, who lost time to injury at the beginning of the season, and Schaub. So far, Herrera said, the loss of top performers – in terms of on-field play and in-store apparel sales – have not hurt the bottom line.

Winning

“We haven’t seen any negative impact on sales for our injured players,” he said.

There aren’t any Leinert jerseys for sale yet, but consider this: There weren’t any Foster jerseys before his breakout debut at the beginning of last season. It seems the goal for stores, as with the teams they promote, is to win, baby, win.